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4th Grade Science Review
Test Description: Magnetism and Electricity
Instructions: Answer all questions to get your test result.
1) Electricity in most homes flows through
A
parallel circuits
B
open circuits
C
fuses
D
series circuits
2) The two ends of a magnet are called
A
none of the above
B
charges
C
poles
D
magnetic fields
3) Electrical charges builds up when
A
lightning is discharged
B
positive charges move from one object to another
C
negative charges move from one object to another
D
too much current flows through a wire
4) A(n) ___________________ is a material that does not allow electricity to flow through it easily.
A
Fuse
B
Generator
C
Insulator
D
Conductor
5) Copper is an example of a good
A
Insulator
B
None of the above
C
Plastic
D
Conductor
6) A build of of electric charge that causes lightning is called
A
Static Electricity
B
Generator
C
Solar Power
D
Current Electricity
7) Magnets stick to
A
iron
B
paper
C
aluminum
D
glue
8) When magnets pull together, they
A
attract
B
repel
C
fall down
D
do back flips
9) A _______________ is a pathway for the flow of electricity.
A
battery
B
circuit
C
detector
D
light bulb
10) A plastic ruler can get a positive charge by
A
gaining a single negative charge
B
losing a single positive charge
C
losing a single negative charge
D
gaining a simple positive charge
11) How many poles does a magnet have?
A
Four
B
Two
C
Three
D
One
12) An object has a ______________ charge if it has extra positive charges.
A
Negative
B
Neutral
C
Positive
D
Large
*select an answer for all questions
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